Volume 10, Number 12, December 2004

Experimental Everglades Virus Infection of Cotton Rats (Sigmodon hispidus)

Lark L. Coffey,* Anne-Sophie Carrara,* Slobodan Paessler,* Michelle L. Haynie,† Robert D. Bradley,† Robert B. Tesh,* and Scott C. Weaver*
*University of Texas Medical Branch, Galveston, Texas, USA; and †Texas Tech University, Lubbock, Texas, USA

Figure 3. A) Viremia and neutralizing antibody profiles in F₁ Florida cotton rats serially sacrificed at daily intervals after infection with 3.2 log₁₀ PFU of Everglades virus strain FE4-71k administered subcutaneously in the left thigh. Lines on each graph represent the geometric mean viremia or mean 80% plaque reduction neutralization test (PRNT) antibody titers; the number of rats bled at each time point is denoted in parentheses above each point. Error bars denote standard deviations. Everglades virus organ titers from the brain, salivary glands, lung and heart (B) and liver, kidney, and spleen (C) of EVEV strain FE471k-infected F₁ Florida cotton rats serially sacrificed at daily intervals. Two rats, denoted "a" and "b" were sacrificed daily from days 1–7 postinfection. No virus was detected in any organ on day 7.

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This page last reviewed November 15, 2004

Emerging Infectious Diseases Journal
National Center for Infectious Diseases
Centers for Disease Control and Prevention